title: 18th Annual meeting of the Society of Perinatal Obstetricians. Miami Beach, Florida, USA, February 2-7, 1998.
mesh_terms: D005260:Female; D006801:Humans; D007231:Infant, Newborn; D009774:Obstetrics; D010500:Perinatology; D011247:Pregnancy; D011248:Pregnancy Complications